1 files changed, 52 insertions, 0 deletions
diff --git a/pdp-common/src/main/java/org/onap/policy/pdp/common/enums/PdpMessageType.java b/pdp-common/src/main/java/org/onap/policy/pdp/common/enums/PdpMessageType.java
new file mode 100644
index 00000000..f59e84fb
--- /dev/null
+++ b/pdp-common/src/main/java/org/onap/policy/pdp/common/enums/PdpMessageType.java
@@ -0,0 +1,52 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.pdp.common.enums;
+
+/**
+ * Class to hold the possible values for the type of PDP messages.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
+ */
+public enum PdpMessageType {
+
+    /**
+     * Used by PDPs to report status to PAP.
+     */
+    PDP_STATUS,
+
+    /**
+     * Used by PAP to update the policies running on PDPs, triggers a PDP_STATUS message with the result of the
+     * PDP_UPDATE operation.
+     */
+    PDP_UPDATE,
+
+    /**
+     * Used by PAP to change the state of PDPs, triggers a PDP_STATUS message with the result of the PDP_STATE_CHANGE
+     * operation.
+     */
+    PDP_STATE_CHANGE,
+
+    /**
+     * Used by PAP to order a health check on PDPs, triggers a PDP_STATUS message with the result of the
+     * PDP_HEALTH_CHECK operation.
+     */
+    PDP_HEALTH_CHECK,
+}